g

g

!>

!>

!>

!>

!>

!>

#

#

#

#

#

#

#

#

POWER PLANTBG-2(507.09)

BG-1(503.55)

CW-1(470.04)CW-1D(472.32)

CW-2(375.14)CW-2D(375.14)

CW-3(421.59)

CW-4(428.78)

CW-5(498.91)

CW-6(448.50)

500

400

500

500

500

400

500

500

500

500

500

500

500

500

500

500

500

500

500

500

500

400

480

520

460

540

440

420

380

560

460

480

380

480

540

480

440

520

460

520

460

440

480

480

520

520

520

480

480

420

520

480

540

480

440

480

440

460

480

440

480

420460

520

460

460

460

440

520

480

460 480

460

480

460

440

520

480

420420

440460

560

460

540

440

480

480

460

440

520480

420

440

480

440

440

480

520

460

480

480

520

520

540

ACTIVE ASH POND

1981 LANDFILL PERMIT NO. 73-B

´

0 600 1,200300 FeetDRAWING P

ATH:

1 1

NC EN

G. LICE

NSE #

F-0176

PHON

E: (919

) 872-2

660320

1 SPR

ING FO

REST

ROAD

, RALEI

GH, NC

27616

NO.

DATE

DESC

RIPTIO

NBY

WWW.

SMEIN

C.COM

JBP

1" = 300' December, 2010

MAYO

ELEC

TRIC P

LANT

PROG

RESS

ENER

GYRO

XBORO

, NORTH

CARO

LINA

COMP

LIANC

E WELL

NETWO

RK MA

P

1584-10-027

DRAWN BY:

DESIGNED BY:

SCALE: DATE:

PROJECT NO:

DRAWING: OF:

CHECKED BY:

APPROVED BY:

DRAWING NUMBER:

TOPO SOURCE:NCDOT LIDAR, DATED 2007IMAGE SOURCE:NC ONEMAP, PERSON CO., DATED 2008PARCEL SOURCE:PERSON COUNTY GIS, RECEIVED JAN . 2010LANDFILL BOUNDARY COORDINATES SOURCE:NCDHR DIVISION OF HEALTH SERVICESSOLID WASTE MANAGEMENT 1981 PERMIT NO. 73-BOBJECTS ARE SHOWN IN GENERAL ARRANGEMENTFOR ILLUSTRATION PURPOSES. THE LOCATIONS OFOBJECTS SHOWN ARE NOT NECESSARILY ACCURATEAND HAVE NOT BEEN SURVEYED.COMPLIANCE WELLS CW-1D AND CW-2D WERE NOT USED TO ESTIMATE GROUNDWATER FLOW

Legend# BACKGROUND WELL# COMPLIANCE WELL LOCATION!> 1981 LANDFILL BOUNDARY COORDINATES

COMPLIANCE BOUNDARYPOWER PLANT

!!

! ! ! !!!!!! APPROXIMATE 1981 LANDFILL BOUNDARY

WASTE BOUNDARYPARCEL BOUNDARYCONTOUR INTERVAL 20 FT

EQH

420 400440460

480

500

380

Well ID Position Use Total Depth Well Screen Interval Date Well Installed Northing Easting Ground Elevation Top of Casing Elevation Depth to Groundwater Groundwater Elevation Driller12/2/2010 12/2/2010

(feet bg) (feet bg) (NAVD 88) (NAVD 88) (feet) (feet)CW-1 Down-gradient Compliance 25.5' 15.5' -25.0' 11/9/2010 1012696.5440 2032714.4560 486.96 489.88 19.84 470.04 S&ME Inc.

CW-1D Down-gradient Compliance 40.4 30.1' -39.9' 11/8/2010 1012703.5510 2032715.6520 488.31 490.96 18.64 472.32 S&ME Inc.CW-2 Down-gradient Compliance 18.0 7.7' -17.5' 11/11/2010 1015043.9769 2032238.7054 386.56 389.00 13.86 375.14 S&ME Inc.

CW-2D Down-gradient Compliance 55.9 45.6' -55.4' 11/11/2010 1015046.8768 2032245.0242 386.93 389.53 14.39 375.14 S&ME Inc.CW-3 Down-gradient Compliance 32.3 17.0' -31.8' 11/16/2010 1015647.5866 2031278.0254 435.27 437.68 16.09 421.59 S&ME Inc.CW-4 Down-gradient Compliance 40.3 35.0' -39.8' 11/12/2010 1015911.4360 2030436.2730 448.76 451.31 22.53 428.78 S&ME Inc.CW-5 Down-gradient Compliance 41.6 36.3' -41.1' 11/15/2010 1015162.2330 2029182.2900 507.21 509.60 10.69 498.91 S&ME Inc.CW-6 Down-gradient Compliance 77.4 72.1' -76.9' 11/10/2010 1014743.8185 2033046.0768 459.97 462.83 14.33 448.50 S&ME Inc.BG-1* Up-gradient Background 52' 42' -52' 10/15/2008 1012000.5230 2028480.3790 537.50 540.19 36.64 503.55 Quantex, Inc.BG-2 Up-gradient Background 45.3 25.4' - 44.9' 9/28/2010 1010810.0210 2028799.4340 539.84 542.66 35.57 507.09 Quantex, Inc.

McKim & Creek provided the well coordinates and top of casing elevations based on measurements obtained on December 2010feet bg = feet below gradeBG-1* = Former well MW-1 installed by Quantex, Inc. on October 15, 2008

(831.20)GROUNDWATER ELEVATION CONTOURGROUNDWATER ELEVATION (12-2-2010)